Cockroaches Plan Escape Routes, Study Shows


	Cockroaches Plan Escape Routes, Study Shows

Silkweaver

11-16-2008 8:53 PM

673 views

tags:

cockroaches, intelligence, animal life, strategy

Silkweaver says:

They are brown, they are many, and they have got a plan...

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<div style="margin: 12px 0px; font-family: arial; color: #333333; background: #ffffff; border: solid 4px #e5e5e5; width: 100%; clear: left;"><div class="CM_CTB_Content_Wrap" style="margin: 0px; padding: 0px;background-color: #ffffff;"><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content.clipmarks.com/blog_embed/55879072-b93a-4ccd-8603-d20acf5984a4/033C7025-2CE3-4E02-B0CF-327998378C49/" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://tintedglasses.wordpress.com/2007/06/14/man-in-black/" href="http://tintedglasses.wordpress.com/2007/06/14/man-in-black/" style="font-size: 11px;">tintedglasses.wordpress.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://tintedglasses.wordpress.com/2007/06/14/man-in-black/"><div align="center"><img src="http://content7.clipmarks.com/blog_cache/tintedglasses.wordpress.com/img/9F0CCC6C-423E-4105-8D79-24DF455B32A0" alt="cockroach-3.jpg" /></div></blockquote><div style="border-bottom: solid 1px #dcdcdc; white-space: nowrap; margin-bottom: 8px; background-color: #eeeeee ;background-image: url(http://clipmarks.com/images/source-bg.gif); background-repeat: repeat-x; height: 24px; line-height: 24px; vertical-align: middle; padding-bottom: 4px; color: #666666; font-size: 10px;" ><a href="http://clipmarks.com/clip-to-blog/" title="see clips that are hot right now"><img src="http://content8.clipmarks.com/images/clip-icon.gif" alt="" width="19" height="19" border="0" style="vertical-align: middle; margin: 0px 4px; display: inline; border: none; float:none;" /></a>clipped from <a title="http://www.nytimes.com/2008/11/18/science/18obroach.html?_r=1&ref=science&oref=slogin" href="http://www.nytimes.com/2008/11/18/science/18obroach.html?_r=1&ref=science&oref=slogin" style="font-size: 11px;">www.nytimes.com</a></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.nytimes.com/2008/11/18/science/18obroach.html?_r=1&ref=science&oref=slogin"><P>Unloved as they are, cockroaches do a lot of scurrying around in response to threats, human or otherwise.</P></blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.nytimes.com/2008/11/18/science/18obroach.html?_r=1&ref=science&oref=slogin">While these movements aren’t random, they aren’t entirely predictable either, researchers say in a study in Current Biology. </blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.nytimes.com/2008/11/18/science/18obroach.html?_r=1&ref=science&oref=slogin">Cockroaches choose from one of several preferred trajectories when running from a predator,  and that variability is enough to confound their attackers most of the time.</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.nytimes.com/2008/11/18/science/18obroach.html?_r=1&ref=science&oref=slogin">Paolo Domenici of the Methodological Chemistry Institute of the <A title="More articles about National Research Council" href="http://topics.nytimes.com/top/reference/timestopics/organizations/n/national_research_council/index.html?inline=nyt-org" linkindex="37" set="yes">National Research Council</A> of Italy and colleagues measured how the American cockroach (Periplaneta americana) responded to a threat stimulus.</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.nytimes.com/2008/11/18/science/18obroach.html?_r=1&ref=science&oref=slogin">The researchers say they have no idea what goes on in the roach nervous system to produce these preferred routes.</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.nytimes.com/2008/11/18/science/18obroach.html?_r=1&ref=science&oref=slogin">through further experimentation it might be possible to develop a general theory of how animals maintain a certain level of unpredictability.</blockquote><div style="height: 2px; font-size: 2px; background: #dcdcdc; border-bottom: solid 1px #f5f5f5; margin: 2px 4px;"></div><blockquote style="text-align: left; padding: 0px 8px; margin: 4px 0px 8px 0px; background: transparent; border: none;" cite="http://www.nytimes.com/2008/11/18/science/18obroach.html?_r=1&ref=science&oref=slogin">And by the way, you might want to keep the 90-120-150-180 finding in mind the next time you go after a cockroach in the kitchen.</blockquote></div><div style="margin: 0px 6px 6px 4px;"><table style="font-size: 11px;border-spacing: 0px;padding: 0px;" cellpadding="0" cellspacing="0" width="100%"><tr><td style="background:transparent;border-width:0px;padding:0px;">&nbsp;</td><td align="right" style="background:transparent;border-width:0px;padding:0px;width:107px" width="107"><a href="http://clipmarks.com/share/033C7025-2CE3-4E02-B0CF-327998378C49/blog/" title="blog or email this clip"><img src="http://content7.clipmarks.com/images/c2b-foot.png" border="0" alt="blog it" width="107" height="17" style="border-width:0px;padding:0px;margin:0px;" /></a></td></tr></table></div></div>

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